2. Which structure allows lymph from the lower right limb to enter the

bloodstream?

a. Thoracic duct

b. Right lymphatic duct

c. Right lymphatic trunk

d. Left lymphatic trunk

The thoracic duct itself begins just beneath the diaphragm in the cisterna chyli, a sac-like chamber that receives lymph from the lower abdomen, pelvis, and lower limbs by way of the left and right lumbar trunks and the intestinal trunk. So your answer is A the thoracic duct